const md5 =require("blueimp-md5")

let toCalculate = md5("&#x5973;&#x9A78;&#x9A6C;&#x6B32;&#x6551;&#x4E4B;&#x4EBA;&#x59D3;&#x540D;");
console.log(toCalculate);

for (let i = 0; i < 400000000; i++) {
    console.log(i);
    toCalculate = md5(toCalculate);
}
console.log(toCalculate);